When to plant in Lac-Brome, QC

Planting dates worked out from Lac-Brome's own frost records, not a generic zone chart.

Safe to plant out

Jun 4

1 year in 10 has a later frost

Average last frost

May 25

about a 50% chance of a later one

Average first fall frost

Sep 19

1 year in 10 by Sep 8

Frost-free days

117

median, 1991–2020

Station used: Brome · 5.5 km away · station 206 m, town 209 m. How we match towns to stations

This season

Plan your garden.

Build my Lac-Brome plan

Planting dates for common crops

Crop	Start indoors	Plant out or sow	Harvest from
Tomato	Apr 9 – Apr 23	Jun 4 – Jun 18	Jul 29
Sweet pepper	Mar 26 – Apr 9	Jun 4 – Jun 18	Aug 3
Lettuce (leaf)	Mar 23 – Mar 30	Apr 27 – May 11	Jun 6
Peas	—	Apr 20 – May 18	Jun 14
Bush beans	—	May 28 – Jun 18	Jul 17
Carrot	—	May 4 – Jun 15	Jul 3
Beet	—	Apr 27 – Jun 8	Jun 16
Potato	—	May 4 – May 25	Jul 13
Kale	Mar 16 – Mar 30	Apr 27 – May 11	Jun 9
Broccoli	Mar 16 – Mar 30	Apr 27 – May 18	Jun 26
Cucumber	May 7 – May 14	Jun 4 – Jun 18	Jul 24
Summer squash and zucchini	May 7 – May 14	Jun 4 – Jun 18	Jul 19
Winter squash	May 7 – May 14	Jun 4 – Jun 18	Aug 23
Sweet corn	—	May 28 – Jun 18	Jul 27
Onion (from sets)	—	Apr 27 – May 18	Jul 26
Garlic	—	Sep 5 – Oct 3 (fall)	following summer
Spinach	—	Apr 20 – May 18	May 28
Basil	Apr 23 – May 7	Jun 4 – Jun 18	Jul 31

Plan all 65 crops for Lac-Brome

Lac-Brome's weather over time

How the growing season has shifted here, year by year, from the station's own records.

Each year's last spring frostLong-term trend

See the data as a table

Year	Last spring frost
1891	Jun 5
1892	May 10
1893	May 27
1894	Jun 5
1895	May 22
1896	May 24
1897	Jun 2
1898	May 10
1899	May 17
1900	May 23
1901	May 26
1902	Jun 11
1903	Jun 2
1904	May 6
1905	Jun 7
1906	Jun 12
1907	Jun 11
1908	Jun 3
1909	Jun 9
1910	Jun 5
1911	May 14
1912	Jun 10
1913	Jun 10
1914	May 12
1915	May 27
1916	May 14
1917	May 30
1918	Jun 21
1919	Jun 29
1920	May 16
1923	Jun 15
1924	Jun 4
1925	May 26
1926	Jun 6
1927	May 24
1928	Jun 16
1929	May 23
1930	Jun 2
1931	May 18
1932	Jun 8
1933	Jun 2
1934	Jun 8
1935	May 24
1936	May 23
1937	May 1
1938	May 9
1939	Jun 1
1940	May 15
1941	May 30
1942	May 12
1943	May 15
1944	Jun 4
1945	Jun 3
1946	Jun 19
1947	Jun 4
1948	Jun 6
1949	May 26
1950	Jun 22
1951	May 25
1952	May 28
1953	Jun 4
1954	May 28
1955	May 21
1956	Jun 19
1957	Jun 9
1958	Jun 7
1959	May 17
1960	Jun 9
1961	May 31
1962	May 28
1969	May 11
1974	May 20
1975	May 9
1976	May 1
1977	May 4
1978	May 23
1979	Jun 25
1980	Jun 9
1981	May 24
1982	Jul 4
1983	Jun 9
1984	May 18
1985	May 29
1986	Jun 3
1987	May 20
1988	Jun 9
1989	May 10
1990	Jun 6
1991	May 20
1992	Jul 2
1993	May 30
1994	May 20
1995	May 9
1996	May 29
1997	May 27
1998	May 27
1999	May 21
2000	Jun 5
2001	Jun 1
2002	Jun 4
2003	May 17
2004	May 31
2005	May 20
2006	May 8
2007	May 22
2008	May 30
2010	May 17
2011	May 10
2012	May 18
2013	May 27

Each year's frost-free daysLong-term trend

See the data as a table

Year	Frost-free days
1891	75
1892	114
1893	106
1894	82
1895	114
1896	100
1897	81
1898	123
1899	112
1900	114
1901	116
1902	86
1903	97
1905	98
1906	94
1907	68
1908	103
1909	82
1910	100
1911	122
1912	111
1913	91
1914	136
1915	92
1916	119
1917	97
1918	57
1919	67
1920	125
1923	91
1924	106
1925	105
1926	88
1927	112
1928	85
1929	118
1930	98
1931	123
1932	93
1933	101
1934	114
1935	111
1936	125
1937	139
1939	108
1940	133
1941	104
1942	104
1943	125
1944	111
1945	105
1946	84
1947	107
1948	101
1949	121
1950	86
1951	123
1952	102
1953	57
1954	90
1955	109
1956	81
1957	79
1958	113
1959	118
1960	98
1961	108
1969	131
1974	121
1975	148
1976	143
1977	126
1978	107
1979	86
1980	91
1981	124
1982	64
1983	96
1984	110
1985	94
1986	86
1987	97
1988	98
1989	106
1990	93
1991	115
1992	83
1993	112
1994	106
1995	121
1996	117
1997	117
1998	119
1999	127
2000	91
2001	105
2002	116
2003	142
2004	111
2005	126
2006	125
2008	111
2010	126
2011	129
2012	120

Each year's average temperature, April to SeptemberLong-term trend

See the data as a table

Year	Growing-season temperature
1891	13.0 °C
1892	13.4 °C
1893	12.6 °C
1894	13.7 °C
1895	13.5 °C
1896	13.4 °C
1897	12.8 °C
1898	14.0 °C
1899	13.5 °C
1900	13.2 °C
1901	14.6 °C
1902	12.8 °C
1903	13.0 °C
1904	13.6 °C
1905	13.4 °C
1906	13.6 °C
1907	12.3 °C
1908	14.1 °C
1909	13.0 °C
1910	13.8 °C
1911	14.1 °C
1912	12.8 °C
1913	13.1 °C
1914	12.8 °C
1915	13.9 °C
1916	14.5 °C
1917	12.5 °C
1918	13.0 °C
1919	13.2 °C
1920	13.0 °C
1923	12.8 °C
1924	12.6 °C
1925	12.9 °C
1926	11.6 °C
1927	12.5 °C
1928	13.3 °C
1929	13.3 °C
1930	14.0 °C
1931	14.3 °C
1932	13.2 °C
1933	14.1 °C
1934	14.5 °C
1935	13.4 °C
1936	13.7 °C
1937	15.0 °C
1938	14.6 °C
1939	13.5 °C
1940	14.0 °C
1941	14.9 °C
1942	14.7 °C
1943	13.1 °C
1944	14.8 °C
1945	14.7 °C
1946	13.5 °C
1947	14.1 °C
1948	14.0 °C
1949	14.0 °C
1950	12.5 °C
1951	13.4 °C
1952	13.7 °C
1953	13.8 °C
1954	12.5 °C
1955	15.0 °C
1956	11.9 °C
1957	13.3 °C
1958	12.6 °C
1959	14.8 °C
1960	13.8 °C
1961	13.9 °C
1962	12.8 °C
1969	14.6 °C
1974	15.0 °C
1975	15.8 °C
1976	15.3 °C
1977	15.1 °C
1978	13.2 °C
1979	13.5 °C
1981	13.7 °C
1982	12.7 °C
1983	14.0 °C
1984	13.8 °C
1985	13.1 °C
1986	13.1 °C
1987	14.1 °C
1988	14.3 °C
1989	14.0 °C
1990	13.6 °C
1991	14.3 °C
1992	13.1 °C
1993	14.2 °C
1994	14.2 °C
1995	14.0 °C
1996	14.1 °C
1997	13.1 °C
1998	15.1 °C
1999	15.3 °C
2000	13.4 °C
2001	14.9 °C
2002	14.5 °C
2003	14.7 °C
2004	14.4 °C
2005	15.4 °C
2006	14.9 °C
2007	14.4 °C
2010	14.8 °C
2011	14.9 °C
2012	14.6 °C
2013	13.9 °C

What this means for you: Since 1891, Lac-Brome's last spring frost has stayed at about the same time of year. The frost-free season has grown by about 1 days per decade. Year-to-year swings are large, so keep using the safe date rather than the trend.

Source: daily records from Brome (NOAA GHCN-Daily, from Environment and Climate Change Canada). Years with too many missing days are left out.

Nearby towns

Waterloo Sutton Bromont Cowansville Dunham Sainte-Croix